These programs can be selected by SW switch OR set as default with dipswitches 

01 OS8 disk server load 40/41
02 MI8-EA paper tape
03 MI8-EC TC08 dec tape
04 MI8-ED RK8
05 MI8-EE Typeset
06 MI8-EF Edu sys low
07 MI8-EG Edu sys high

10 RX8 bootloader
11 RX28
12 RIM loader  
13 BIN LOADER (before loading set switch register to 7777 for TTY @ 03/04 or 3777 for 750C reader)
14 MI8-EH TD8-E
15 Wipe core field 0 (Just let it run for a few seconds)
16 Kaleisoscope

The next can only be loaded by toggling the SW switch or pushbutton on the PCB only.

20 group 1 microinstructions
21 group 1 microinstructions
22 Operate instructions
23 ISZ instructions
24 JMS instruction
25 JMP instruction
26 AC increment
27 checker board runs endless MD alters between 0000 and 7777

30 checker board runs endless MD alters between 5252 and 2525
31 print character in switch register
32 console print test
33 Echo test for one terminal at 03/04
34 echo 1-4 terminals